Synthesis and evaluation of cis-3,4-disubstituted piperidines as potent CC chemokine receptor 2 (CCR2) antagonists.
2008
Abstract A series of cis -3,4-disubstituted piperidines was synthesized and evaluated as CC chemokine receptor 2 (CCR2) antagonists. Compound 24 emerged with an attractive profile, possessing excellent binding (CCR2 IC 50 = 3.4 nM) and functional antagonism (calcium flux IC 50 = 2.0 nM and chemotaxis IC 50 = 5.4 nM). Studies to explore the binding of these piperidine analogs utilized a key CCR2 receptor mutant (E291A) with compound 14 and revealed a significant reliance on Glu291 for binding.
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